Lightweight Indexing Without a Backend

This lesson is for enrolled learners

The Concept: Indexing as Infrastructure Imagine you want to find all NFTs minted by a specific user in the last week. On-chain, that's scattered across thousands of blocks and transactions. You could fetch every block, parse every log, and filter in your client—but that's slow and expensive. The Graph solves this by running indexers that watch the blockchain, extract events,……

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